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LTE - UE States (Detach)

LTE - UE States (Detach) [Under LTE]
» E-UTRA and E-UTRAN overall description - 36.300, Rel 8 «
» E-UTRAN access - 23.401, Rel 8 «
» NAS - 24.301, Rel 8 «
» RRC - 36.331, Rel 8 «

Overall NAS/AS states reference: 23.401:4.6, 24.301:5.1.3, 36.300:A.2, 36.331:4.2.1


Case a) Network initiated

Bearer contexts active
EMM_REGISTERED
(NORMAL SERVICE)
RRC_CONNECTED
Detach Request ←
Bearer contexts inactive
EMM_DEREGISTERED

RRC_CONNECTED
Detach Accept →
RRC Connection Release ←
EMM_DEREGISTERED
RRC_IDLE
(DRBs released if present)



Case b) UE initiated

Bearer contexts active
EMM_REGISTERED
(NORMAL SERVICE)
RRC_CONNECTED
+CFUN=0
EMM_DEREGISTERED_INITIATED
RRC_CONNECTED
Detach Request →
Detach Accept ←
Bearer contexts inactive
EMM_DEREGISTERED

RRC_CONNECTED
RRC Connection Release ←
EMM_DEREGISTERED
RRC_IDLE
(DRBs released if present)


Copyright © Samir Amberkar 2010-12§

LTE - UE States (Service Request) « LTE Index » LTE - quick bits on Mobility